20649776

素因数分解:

$2^4\times 7^2\times {\mathrm{26339}}^1$

素因数の和:26361

約数の個数: 30

約数和(自身を含む): 46542780

約数和(自身を除く): 25893004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26339, 52678, 105356, 184373, 210712, 368746, 421424, 737492, 1290611, 1474984, 2581222, 2949968, 5162444, 10324888, 20649776]

約数ペア:

[(1, 20649776), (2, 10324888), (4, 5162444), (7, 2949968), (8, 2581222), (14, 1474984), (16, 1290611), (28, 737492), (49, 421424), (56, 368746), (98, 210712), (112, 184373), (196, 105356), (392, 52678), (784, 26339)]